Affiliation: | 1. Department of Pathology, Hematopathology Unit, College of Medicine, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia;2. Department of Medicine, Division of Oncology/Hematology, College of Medicine, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia;3. Department of Obstetrics and Gynecology, College of Medicine, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia;4. Heamatopathology & Blood Transfusion Consultant, Ministry of Health, Riyadh, Saudi Arabia;5. College of Medicine, King Saud Bin Abdul Aziz University for Health Sciences, Riyadh, Saudi Arabia |